diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c
index 67fac1e..2afc8b1 100644
--- a/fs/ubifs/sb.c
+++ b/fs/ubifs/sb.c
@@ -748,14 +748,12 @@ int ubifs_read_superblock(struct ubifs_info *c)
 		goto out;
 	}
 
-#ifndef CONFIG_FS_ENCRYPTION
-	if (c->encrypted) {
+	if (!IS_ENABLED(CONFIG_UBIFS_FS_ENCRYPTION) && c->encrypted) {
 		ubifs_err(c, "file system contains encrypted files but UBIFS"
 			     " was built without crypto support.");
 		err = -EINVAL;
 		goto out;
 	}
-#endif
 
 	/* Automatically increase file system size to the maximum size */
 	c->old_leb_cnt = c->leb_cnt;
@@ -943,6 +941,9 @@ int ubifs_enable_encryption(struct ubifs_info *c)
 	int err;
 	struct ubifs_sb_node *sup = c->sup_node;
 
+	if (!IS_ENABLED(CONFIG_UBIFS_FS_ENCRYPTION))
+		return -EOPNOTSUPP;
+
 	if (c->encrypted)
 		return 0;